package com.itheima.controller;

import com.alibaba.dubbo.config.annotation.Reference;
import com.itheima.constant.MessageConstant;
import com.itheima.entity.Result;
import com.itheima.service.MemberService;
import com.itheima.service.ReportService;
import com.itheima.service.SetmealService;
import com.itheima.utils.DateUtils;
import net.sf.jasperreports.engine.JasperCompileManager;
import net.sf.jasperreports.engine.JasperExportManager;
import net.sf.jasperreports.engine.JasperFillManager;
import net.sf.jasperreports.engine.JasperPrint;
import net.sf.jasperreports.engine.data.JRBeanArrayDataSource;
import net.sf.jasperreports.engine.data.JRBeanCollectionDataSource;
import org.apache.poi.xssf.usermodel.XSSFCell;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.springframework.security.web.jaasapi.JaasApiIntegrationFilter;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.text.SimpleDateFormat;
import java.util.*;

/**
 * 报表操作
 */
@RestController
@RequestMapping("/report")
public class ReportController {

    @Reference
    private MemberService memberService;
    @Reference
    private SetmealService setmealService;

    @Reference
    private ReportService reportService;

    //会员数量折线图数据
    @RequestMapping("/getMemberReport")
    public Result getMemberReport() {
        Map<String, Object> map = new HashMap<>();
        List<String> months = new ArrayList();
        //计算过去一年的12个月
        Calendar calendar = Calendar.getInstance();//获得日历对象，默认时间就是当前时间
        calendar.add(Calendar.MONTH, -12);//获得当前时间往前推12个月的时间
        for (int i = 0; i < 12; i++) {
            calendar.add(Calendar.MONTH, 1);//获得当前获得的时间往后推一个月日期
            Date date = calendar.getTime();
            months.add(new SimpleDateFormat("yyyy.MM").format(date));
        }
        map.put("months", months);
        List<Integer> memberCount = new ArrayList();
        memberCount = memberService.findMemberCountByMonths(months);
        map.put("memberCount", memberCount);
        return new Result(true, MessageConstant.GET_MEMBER_NUMBER_REPORT_SUCCESS, map);
    }

    //统计分析套餐占比饼状图
    @RequestMapping("/getSetmealReport")
    public Result getSetmealReport() {
        //使用模拟数据测试使用什么样的java对象转为饼形图所需的JSON数据格式
        Map<String, Object> data = new HashMap();

       /*List<String> setmealNames = new ArrayList<>();
        setmealNames.add("体检套餐");
        setmealNames.add("孕前检查套餐");
        data.put("setmealNames", setmealNames);*/
        try {
            List<Map<String, Object>> setmealCount = setmealService.findSetmealCount();
            data.put("setmealCount", setmealCount);

            List<String> setmealNames = new ArrayList<>();
            for (Map<String, Object> map : setmealCount) {
                String name = (String) map.get("name"); //套餐名称
                setmealNames.add(name);
            }
            data.put("setmealNames", setmealNames);
            return new Result(true, MessageConstant.GET_SETMEAL_COUNT_REPORT_SUCCESS, data);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false, MessageConstant.GET_SETMEAL_COUNT_REPORT_FAIL);
        }
    }


    //运营数据统计
    @RequestMapping("/getBusinessReportData")
    public Result getBusinessReportData() {
        try {
            Map<String, Object> data = reportService.getBusinessReportData();
            return new Result(true, MessageConstant.GET_BUSINESS_REPORT_SUCCESS, data);//查找运营统计数据成功
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(true, MessageConstant.GET_BUSINESS_REPORT_SUCCESS);//查找运营统计数据失败

        }

    }

    //导出运营数据(Excel版本)
    @RequestMapping("/exportBusinessReport")
    public Result exportBusinessReport(HttpServletRequest request, HttpServletResponse response) {
        try {
            Map<String, Object> result = reportService.getBusinessReportData();
            //取出返回的结果，准备将报表数据写入到Excel文件中
            String reportDate = (String) result.get("reportDate");
            Integer todayNewMember = (Integer) result.get("todayNewMember");
            Integer totalMember = (Integer) result.get("totalMember");
            Integer thisWeekNewMember = (Integer) result.get("thisWeekNewMember");
            Integer thisMonthNewMember = (Integer) result.get("thisMonthNewMember");
            Integer todayOrderNumber = (Integer) result.get("todayOrderNumber");
            Integer todayVisitsNumber = (Integer) result.get("todayVisitsNumber");
            Integer thisWeekOrderNumber = (Integer) result.get("thisWeekOrderNumber");
            Integer thisWeekVisitsNumber = (Integer) result.get("thisWeekVisitsNumber");
            Integer thisMonthOrderNumber = (Integer) result.get("thisMonthOrderNumber");
            Integer thisMonthVisitsNumber = (Integer) result.get("thisMonthVisitsNumber");
            List<Map> hotSetmeal = (List<Map>) result.get("hotSetmeal");

            //基于提供的Excel模板文件在内存中创建一个Excel表格对象
            String filepath = request.getSession().getServletContext().getRealPath("template") + File.separator + "report_template.xlsx";
            XSSFWorkbook excel = new XSSFWorkbook(new FileInputStream(new File(filepath)));
            //读取第一个工作表
            XSSFSheet sheet = excel.getSheetAt(0);
            //获得第三行
            XSSFRow row = sheet.getRow(2);//索引从0开始
            //获得第五个单元格
            XSSFCell cell = row.getCell(5);//索引从0开始
            cell.setCellValue(reportDate);//报表日期

            row = sheet.getRow(4);//5行
            row.getCell(5).setCellValue(todayNewMember);//新增会员数(本日)
            row.getCell(7).setCellValue(totalMember);//总会员数

            row = sheet.getRow(5);//6行
            row.getCell(5).setCellValue(thisWeekNewMember);//本周新增会员数
            row.getCell(7).setCellValue(thisMonthNewMember);//本月新增会员数

            row = sheet.getRow(7);//8行
            row.getCell(5).setCellValue(todayOrderNumber);//今日预约数
            row.getCell(7).setCellValue(todayVisitsNumber);//今日到诊数

            row = sheet.getRow(8);//9行
            row.getCell(5).setCellValue(thisWeekOrderNumber);//本周预约数
            row.getCell(7).setCellValue(thisWeekVisitsNumber);//本周到诊数

            row = sheet.getRow(9);//10行
            row.getCell(5).setCellValue(thisMonthOrderNumber);//本月预约数
            row.getCell(7).setCellValue(thisMonthVisitsNumber);//本月到诊数

            int j = 0;
            //遍历输出热门套餐
            for (int i = 12; i <= 15; i++) {
                row = sheet.getRow(i);
                row.getCell(4).setCellValue((String) hotSetmeal.get(j).get("name"));//套餐名称
                row.getCell(5).setCellValue(hotSetmeal.get(j).get("setmeal_count") + "");//预约数量
                row.getCell(6).setCellValue(hotSetmeal.get(j).get("proportion") + "");//占比
                j++;
            }

            //使用输出流进行表格下载,基于浏览器作为客户端下载
            OutputStream out = response.getOutputStream();
            response.setContentType("application/vnc.ms-excel");//代表的是Excel文件类型
            response.setHeader("content-Disposition", "attachment;filename=report.xlsx");//指定以附件的形式下载
            excel.write(out);

            //刷新缓存并关流
            out.flush();
            out.close();
            excel.close();
            return null;
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false, MessageConstant.GET_BUSINESS_REPORT_SUCCESS);//查找运营统计数据失败
        }
    }

    //导出运营数据(PDF版本)
    @RequestMapping("/exportBusinessReport4PDF")
    public Result exportBusinessReport4PDF(HttpServletRequest request, HttpServletResponse response) {
        try {
            Map<String, Object> result = reportService.getBusinessReportData();
            //取出返回的结果，准备将报表数据写入到Excel文件中
            String reportDate = (String) result.get("reportDate");
            Integer todayNewMember = (Integer) result.get("todayNewMember");
            Integer totalMember = (Integer) result.get("totalMember");
            Integer thisWeekNewMember = (Integer) result.get("thisWeekNewMember");
            Integer thisMonthNewMember = (Integer) result.get("thisMonthNewMember");
            Integer todayOrderNumber = (Integer) result.get("todayOrderNumber");
            Integer todayVisitsNumber = (Integer) result.get("todayVisitsNumber");
            Integer thisWeekOrderNumber = (Integer) result.get("thisWeekOrderNumber");
            Integer thisWeekVisitsNumber = (Integer) result.get("thisWeekVisitsNumber");
            Integer thisMonthOrderNumber = (Integer) result.get("thisMonthOrderNumber");
            Integer thisMonthVisitsNumber = (Integer) result.get("thisMonthVisitsNumber");
            List<Map> hotSetmeal = (List<Map>) result.get("hotSetmeal");
            //基于提供的pdf模板文件在内存中创建一个Excel表格对象
            String jrxmlPath = request.getSession().getServletContext().getRealPath("template") + File.separator + "health_business3.jrxml";
            String jasperPath = request.getSession().getServletContext().getRealPath("template") + File.separator + "health_business3.jasper";

            //编译模板
            JasperCompileManager.compileReportToFile(jrxmlPath, jasperPath);
            //填充数据--使用JavaBean数据源方式填充
            JasperPrint jasperPrint = JasperFillManager.fillReport(jasperPath, result, new JRBeanCollectionDataSource(hotSetmeal));

            //使用输出流进行表格下载,基于浏览器作为客户端下载
            OutputStream out = response.getOutputStream();
            response.setContentType("application/pdf");//代表的是pdf文件类型
            response.setHeader("content-Disposition", "attachment;filename=report.pdf");//指定以附件的形式下载
            //输出文件
            JasperExportManager.exportReportToPdfStream(jasperPrint, out);

            //刷新缓存并关流
            out.flush();
            out.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }
}

    /*  public Result getBusinessReportData() {
        //使用模拟数据测试流程额可以正常展示
        Map<String, Object> data = new HashMap();
        data.put("reportDate", "2020.10.10");
        data.put("todayNewMember", 100);
        data.put("totalMember", 20000);
        data.put("thisWeekNewMember", 300);
        data.put("thisMonthNewMember", 500);
        data.put("todayOrderNumber", 150);
        data.put("todayVisitsNumber", 100);
        data.put("thisMonthOrderNumber", 500);
        data.put("thisWeekVisitsNumber", 290);
        data.put("thisMonthOrderNumber", 290);
        data.put("thisWeekVisitsNumber", 290);
        data.put("thisMonthVisitsNumber", 300);

        List<Map<String, Object>> hotSetmeal = new ArrayList<>();

        Map<String, Object> map1 = new HashMap<>();
        map1.put("name", "阳光爸妈升级肿瘤12项筛查（男女单人）体检套餐");
        map1.put("setmeal_count", 300);
        map1.put("proportion", 0.5);

        Map<String, Object> map2 = new HashMap<>();
        map2.put("name", "阳光爸妈升级肿瘤12项筛查体检套餐");
        map2.put("setmeal_count", 200);
        map2.put("proportion", 0.2);

        hotSetmeal.add(map1);
        hotSetmeal.add(map2);
        data.put("hotSetmeal", hotSetmeal);

        try {

             return new Result(true, MessageConstant.GET_BUSINESS_REPORT_SUCCESS);//查找运营统计数据成功
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false, MessageConstant.GET_BUSINESS_REPORT_FAIL);//查找运营统计数据失败
        }
    }*/

